Access to the requested URL was blocked

While trying to access the URL:
/component/mailto/?tmpl=component&link=7eb890039c729218e79374449faa30252d67878b
The content is blocked for the following condition:
(none)
Additional information:
(none)
This incident was logged with the following log identifier:
ZgYVUWCUzmvWK5wpGnXD-gAAABQ
IT-Administrator:
edv@vulkaneifel.de